feat: v0.4.4, add radio outputs when compressed

src/util.rs

@@ -170,3 +170,10 @@ pub fn read_line(ln: &str) {
     let _ = io::stdin().read_line(&mut buff).expect("Read line from stdin");
 }
 
+pub fn ratio(numerator: u64, denominator: u64) -> String {
+    if denominator == 0 {
+        return "∞".to_string();
+    }
+    let r = (numerator * 10000) / denominator;
+    format!("{:.2}", r as f64 / 100f64)
+}